support legacy ota

.gitignore

@@ -1,8 +1,19 @@
 .idea
 .gradle
-build/
 local.properties
 .classpath
 .project
 .settings
 __pycache__
+aosp/bouncycastle/bcpkix/bin/
+aosp/bouncycastle/bcprov/bin/
+aosp/bouncycastle/bcpkix/build/
+aosp/bouncycastle/bcprov/build/
+aosp/apksigner/build/
+aosp/boot_signer/build/
+aosp/libavb1.1/build/
+aosp/libavb1.2/build/
+helper/build/
+lazybox/build/
+avbImpl/build/
+bbootimg/build/

aosp/apksigner/build.gradle.kts

@@ -0,0 +1,38 @@
+plugins {
+    java
+    application
+}
+
+version = "1.0"
+
+repositories {
+    mavenCentral()
+}
+
+application {
+    mainClass.set("com.android.signapk.SignApk")
+}
+
+dependencies {
+    implementation(project(":aosp:bouncycastle:bcpkix"))
+    implementation(project(":aosp:bouncycastle:bcprov"))
+}
+
+tasks {
+    jar {
+        manifest {
+            attributes["Implementation-Title"] = "AOSP ApkSigner"
+            attributes["Main-Class"] = "com.android.signapk.SignApk"
+        }
+        from(configurations.runtimeClasspath.get().map({ if (it.isDirectory) it else zipTree(it) }))
+        excludes.addAll(mutableSetOf("META-INF/*.RSA", "META-INF/*.SF", "META-INF/*.DSA"))
+        duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+        dependsOn(":aosp:bouncycastle:bcpkix:jar")
+    }
+    test {
+        testLogging {
+            showExceptions = true
+            showStackTraces = true
+        }
+    }
+}